Flow price: --
d328da70431fb4ffe1ac03a4e23a378fbf87ef53c35ae5b0c32eb03ed7da4992

Transaction

Hash: d328da70431fb4ffe1ac03a4e23a378fbf87ef53c35ae5b0c32eb03ed7da4992
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d328da70431fb4ffe1ac03a4e23a378fbf87ef53c35ae5b0c32eb03ed7da4992:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d328da70431fb4ffe1ac03a4e23a378fbf87ef53c35ae5b0c32eb03ed7da4992
Status:
ERROR
Block height:
39855401
Block id:
4ce4b330c18fe5463c38a6a6b9c8467440a033abe416052ac4c6061273568ca8
Timestamp:
Friday 28 October 2022 at 07:58:09 UTC
()
Proposer:
Authorizers:
Gas used:
47